Save the calibration report.
Use File manager to share the calibration report via email.
5.4
Calibration via Modbus
®
communication
Place the sensor in clean air and wait for the warm-up phase to be completed at the end of the start-up phase. Enter the
Technician password to access the device (2222 to register 205).
Send 1 to ZeroCalibration (coil 407) to perform the fresh air calibration. If coil 407 is read as 0 after calibration, it means
that calibration was successful.
Send the span gas concentration to the SpanConcentration variable (holding register 655).
Supply gas to the sensor. Use the calibration kit and a 0.5 l/min airflow regulator. Wait around 1 minute until the
concentration is stable.
Send 1 to SpanCalibration (coil 408). Read as 0 to confirm the calibration was successful.
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